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70346 (1999 RO177)
Classification: Main-belt Asteroid          SPK-ID: 2070346
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655074976468137 4.8995e-08  
a 2.396248088042141 9.9566e-09 au
q 1.999651063249325 1.1669e-07 au
i 4.588285449450823 4.6022e-06 deg
node 164.3278952613033 4.9318e-05 deg
peri 207.0077479039229 5.0401e-05 deg
M 248.8109459594517 1.2666e-05 deg
tp 2459618.961618600564
(2022-Feb-08.46161860)		 4.9281e-05 TDB
period 1354.865224784317
3.71		 8.4444e-06
2.312e-08		 d
yr
n .2657090856083555 1.6561e-09 deg/d
Q 2.792845112834957 1.1605e-08 au
   Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:05  

Additional Information
 Earth MOID = .999016 au 
 Jupiter MOID = 2.67138 au 
 T_jup = 3.506 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.78   n/a E2021B10  

70346 (1999 RO177)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RO177 = 1998 HJ84 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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